Extreme Un-Diet: 'Super Size Me'Americans are some of the fattest people in the world -- and McDonald's often serves as the fast-food scapegoat for the country's super-sized bodies. One filmmaker decided to eat nothing but McDonald's for 30 days -- and film it all. The result is Super Size Me. NPR's Michele Norris talks with Morgan Spurlock, the star, director and producer of the film.

Americans are some of the fattest people in the world — and McDonald's often serves as the fast-food scapegoat for the country's super-sized bodies. One filmmaker decided to eat nothing but McDonald's for 30 days — and film it all. The result is Super Size Me. NPR's Michele Norris talks with Morgan Spurlock, the star, director and producer of the film.